:root{--navy:#1b3a5c;--navy2:#24496f;--green:#2e7d32;--gold:#c9a23f;--bg:#f4f6f9;--card:#fff;--line:#e2e7ee;--text:#1f2933;--muted:#6b7785;--red:#c0392b;--amber:#b7791f;--blue:#2563eb}
*{box-sizing:border-box}
body{margin:0;font-family:"Pretendard","Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--navy2);text-decoration:none}a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.side{width:210px;background:var(--navy);color:#cfd9e6;flex-shrink:0;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.brand{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.1)}
.brand b{display:block;color:#fff;font-size:17px;letter-spacing:-.3px}.brand span{font-size:11.5px;color:var(--gold)}
.side nav{padding:10px 0;flex:1}
.side nav a{display:flex;justify-content:space-between;align-items:center;padding:10px 18px;color:#cfd9e6;font-size:14px}
.side nav a:hover,.side nav a.on{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side nav a.on{border-left:3px solid var(--gold);padding-left:15px}
.side .sec{font-size:11px;color:#8aa0b8;padding:14px 18px 4px;letter-spacing:.5px}
.side .me{padding:14px 18px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px}
.side .me a{color:#cfd9e6;margin-right:10px}
.badge-n{background:var(--red);color:#fff;border-radius:10px;font-size:11px;padding:1px 7px}
main{flex:1;min-width:0;padding:22px 28px 60px}
h1{font-size:21px;margin:0 0 4px;letter-spacing:-.4px}h2{font-size:16px;margin:0 0 12px}
.sub{color:var(--muted);font-size:13px;margin-bottom:18px}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:16px}
.grid{display:grid;gap:14px}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.kpi .l{color:var(--muted);font-size:12.5px}.kpi .v{font-size:24px;font-weight:700;margin-top:4px;letter-spacing:-.5px}.kpi .s{font-size:12px;color:var(--muted)}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{background:#eef2f7;font-weight:600;font-size:12.5px;color:#3d4b5c;white-space:nowrap}
tr:hover td{background:#fafcff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl{border:1px solid var(--line);border-radius:10px;overflow:auto}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--text);padding:7px 13px;border-radius:7px;font-size:13.5px;cursor:pointer;font-family:inherit;white-space:nowrap}
.btn:hover{background:#f1f4f8;text-decoration:none}
.btn.p{background:var(--navy);border-color:var(--navy);color:#fff}.btn.p:hover{background:var(--navy2)}
.btn.g{background:var(--green);border-color:var(--green);color:#fff}
.btn.d{color:var(--red);border-color:#f0c6c0}.btn.sm{padding:4px 9px;font-size:12.5px}
input,select,textarea{font-family:inherit;font-size:14px;padding:7px 9px;border:1px solid #cfd6df;border-radius:6px;background:#fff;color:var(--text)}
textarea{width:100%;min-height:70px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600;white-space:nowrap}
.t-가입,.t-유효,.t-완납,.t-승인{background:#e3f2e5;color:var(--green)}
.t-미가입,.t-청구,.t-변경종료,.t-만료{background:#eef1f5;color:#5b6775}
.t-해지,.t-미납,.t-반려,.t-휴폐업{background:#fbe7e5;color:var(--red)}
.t-승인대기,.t-대기,.t-부분입금{background:#fdf2dc;color:var(--amber)}
.p-basic{background:#eef1f5;color:#4b5563}.p-light{background:#e0efff;color:#1d4ed8}.p-standard{background:#e3f2e5;color:#1f6b25}.p-premium{background:#fbf1d8;color:#8a6414}.p-mix{background:#f3e8ff;color:#6b21a8}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:13.5px}
.flash.ok{background:#e6f4ea;color:#1e5e24}.flash.error{background:#fdecea;color:#9b2c22}.flash.info{background:#eaf1fb;color:#1f4f8f}
.tabs{display:flex;gap:2px;border-bottom:2px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:9px 16px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-2px}
.tabs a.on{color:var(--navy);border-color:var(--navy)}.tabs a:hover{text-decoration:none;color:var(--navy)}
.kv{display:grid;grid-template-columns:140px 1fr 140px 1fr;border-top:1px solid var(--line)}
.kv div{padding:8px 10px;border-bottom:1px solid var(--line)}.kv .k{background:#f6f8fb;color:var(--muted);font-size:13px}
.form{display:grid;grid-template-columns:170px 1fr;gap:10px 14px;align-items:center;max-width:820px}
.form label{color:#3d4b5c;font-size:13.5px}.form input,.form select{width:100%}
.muted{color:var(--muted)}.small{font-size:12.5px}.right{text-align:right}.red{color:var(--red)}.nowrap{white-space:nowrap}
.pager{display:flex;gap:6px;margin-top:12px;align-items:center}
details.inline{display:inline-block}details.inline summary{list-style:none;cursor:pointer}details.inline summary::-webkit-details-marker{display:none}
.pop{position:absolute;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;box-shadow:0 6px 24px rgba(0,0,0,.12);z-index:10;min-width:280px}
.pop textarea{min-height:60px}
.login{max-width:360px;margin:12vh auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px}
.login h1{margin-bottom:2px}.login input{width:100%;margin:6px 0 12px}
.bar{height:8px;background:#eef1f5;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--green)}
.warn{background:#fff8e6;border:1px solid #f4dfa6;color:#7a5a12;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px}
@media (max-width:900px){.side{position:static;width:100%;height:auto}.layout{flex-direction:column}.g4,.g3,.g2{grid-template-columns:1fr 1fr}.kv{grid-template-columns:110px 1fr}main{padding:16px}.form{grid-template-columns:1fr}}
.form input[type=checkbox]{width:auto}